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Geometry

Triangle Area Calculator

Calculates the area of any triangle from its base and perpendicular height using A = ½·base·height. Perfect for geometry homework, land surveying, construction layout, and architectural design when the perpendicular height is known.

Fill in the required fields to see your result.
Geometry

Triangle Area Calculator

Calculate a triangle's area using base-height, Heron's formula (three sides), or the two-sides-and-included-angle method. Handy for geometry, surveying, and any problem where you know different combinations of triangle measurements.

Fill in the required fields to see your result.

Key differences

Triangle Area CalculatorTriangle Area Calculator
CategoryGeometryGeometry
Inputs required25
ResultTriangle Area (square units)Triangle Area (square units)
What it doesCalculates the area of any triangle from its base and perpendicular height using A = ½·base·height. Perfect for geometry homework, land surveying, construction layout, and architectural design when the perpendicular height is known.Calculate a triangle's area using base-height, Heron's formula (three sides), or the two-sides-and-included-angle method. Handy for geometry, surveying, and any problem where you know different combinations of triangle measurements.